18 lines
633 B
QBasic
18 lines
633 B
QBasic
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SUB MAIN
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DIM STR AS STRING
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DIM X AS DOUBLE
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STR="Hello World"
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PRINT "LEN(\"" + STR + "\")=" + STR$(LEN(STR))
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PRINT "LEFT$(\"" + STR + "\",3) = \"" + LEFT$(STR,3) + "\""
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PRINT "RIGHT$(\"" + STR + "\",3) = \"" + RIGHT$(STR,3) + "\""
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PRINT "MID$(\"" + STR + "\",5,3) = \"" + MID$(STR,5,3) + "\""
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PRINT "ASC(\"A\")=" + STR$(ASC("A"))
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PRINT "CHR$(65)=" + CHR$(65)
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PRINT "STR$(1.234) = \"" + STR$(1.234) + "\""
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PRINT "LOWER$(\"" + STR + "\") = \"" + LOWER$(STR) + "\""
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PRINT "UPPER$(\"" + STR + "\") = \"" + UPPER$(STR) + "\""
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STR = "1.234"
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X = VAL(STR)
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PRINT "VAL(\"" + STR + "\") = " + STR$(X)
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END SUB
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